#include "catch.hpp"

#include <mapnik/util/char_array_buffer.hpp>
#include <istream>

TEST_CASE("char_array_buffer") {

SECTION("std::istream seekg, tellg") {

    const std::size_t buffer_size = 66;
    char buffer[buffer_size];
    mapnik::util::char_array_buffer array_buff(buffer, buffer_size);
    std::istream stream(&array_buff);

    CHECK(stream.seekg(0).tellg() == 0);
    CHECK(stream.seekg(buffer_size).tellg() == buffer_size);
    CHECK(stream.seekg(70).tellg() == buffer_size);
}
}
